src/common/filefn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.cpp
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "filefn.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26 #include "wx/defs.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #ifndef WX_PRECOMP
  33     #include "wx/defs.h"
  34 #endif
  35
  36 #include "wx/utils.h"
  37 #include "wx/intl.h"
  38
  39 // there are just too many of those...
  40 #ifdef __VISUALC__
  41     #pragma warning(disable:4706)   // assignment within conditional expression
  42 #endif // VC++
  43
  44 #include <ctype.h>
  45 #include <stdio.h>
  46 #include <stdlib.h>
  47 #include <string.h>
  48 #if !defined(__WATCOMC__)
  49     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  50         #include <errno.h>
  51     #endif
  52 #endif
  53
  54 #include <time.h>
  55
  56 #ifndef __MWERKS__
  57     #include <sys/types.h>
  58     #include <sys/stat.h>
  59 #else
  60     #include <stat.h>
  61     #include <unistd.h>
  62 #endif
  63
  64 #ifdef __UNIX__
  65     #include <unistd.h>
  66     #include <dirent.h>
  67 #endif
  68
  69 #ifdef __OS2__
  70     #include <direct.h>
  71     #include <process.h>
  72 #endif
  73 #ifdef __WINDOWS__
  74 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
  75     #include <direct.h>
  76     #include <dos.h>
  77 #endif // __WINDOWS__
  78 #endif // native Win compiler
  79
  80 #ifdef __GNUWIN32__
  81     #ifndef __TWIN32__
  82         #include <sys/unistd.h>
  83     #endif
  84
  85     #define stricmp strcasecmp
  86 #endif
  87
  88 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  89                     // this (3.1 I believe) and how to test for it.
  90                     // If this works for Borland 4.0 as well, then no worries.
  91     #include <dir.h>
  92 #endif
  93
  94 #ifdef __SALFORDC__
  95     #include <dir.h>
  96     #include <unix.h>
  97 #endif
  98
  99 #include "wx/setup.h"
 100 #include "wx/log.h"
 101
 102 // No, Cygwin doesn't appear to have fnmatch.h after all.
 103 #if defined(HAVE_FNMATCH_H)
 104     #include "fnmatch.h"
 105 #endif
 106
 107 #ifdef __WINDOWS__
 108     #include "windows.h"
 109 #endif
 110
 111 // ----------------------------------------------------------------------------
 112 // constants
 113 // ----------------------------------------------------------------------------
 114
 115 #define _MAXPATHLEN 500
 116
 117 #ifdef __WXMAC__
 118     extern wxChar gwxMacFileName[] ;
 119     extern wxChar gwxMacFileName2[] ;
 120     extern wxChar gwxMacFileName3[] ;
 121 #endif
 122
 123 #if !USE_SHARED_LIBRARIES
 124     IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
 125 #endif
 126
 127 // ----------------------------------------------------------------------------
 128 // private globals
 129 // ----------------------------------------------------------------------------
 130
 131 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 132
 133 // ============================================================================
 134 // implementation
 135 // ============================================================================
 136
 137 void wxPathList::Add (const wxString& path)
 138 {
 139     wxStringList::Add (WXSTRINGCAST path);
 140 }
 141
 142 // Add paths e.g. from the PATH environment variable
 143 void wxPathList::AddEnvList (const wxString& envVariable)
 144 {
 145   static const wxChar PATH_TOKS[] =
 146 #ifdef __WINDOWS__
 147         wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
 148 #else
 149         wxT(" :;");
 150 #endif
 151
 152   wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
 153   if (val && *val)
 154     {
 155       wxChar *s = copystring (val);
 156       wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
 157
 158       if (token)
 159       {
 160           Add (copystring (token));
 161           while (token)
 162           {
 163               if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
 164                   Add (wxString(token));
 165           }
 166       }
 167
 168       // suppress warning about unused variable save_ptr when wxStrtok() is a
 169       // macro which throws away its third argument
 170       save_ptr = token;
 171
 172       delete [] s;
 173     }
 174 }
 175
 176 // Given a full filename (with path), ensure that that file can
 177 // be accessed again USING FILENAME ONLY by adding the path
 178 // to the list if not already there.
 179 void wxPathList::EnsureFileAccessible (const wxString& path)
 180 {
 181     wxString path_only(wxPathOnly(path));
 182     if ( !path_only.IsEmpty() )
 183     {
 184         if ( !Member(path_only) )
 185             Add(path_only);
 186     }
 187 }
 188
 189 bool wxPathList::Member (const wxString& path)
 190 {
 191   for (wxNode * node = First (); node != NULL; node = node->Next ())
 192   {
 193       wxString path2((wxChar *) node->Data ());
 194       if (
 195 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
 196       // Case INDEPENDENT
 197           path.CompareTo (path2, wxString::ignoreCase) == 0
 198 #else
 199       // Case sensitive File System
 200           path.CompareTo (path2) == 0
 201 #endif
 202         )
 203         return TRUE;
 204   }
 205   return FALSE;
 206 }
 207
 208 wxString wxPathList::FindValidPath (const wxString& file)
 209 {
 210   if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
 211     return wxString(wxFileFunctionsBuffer);
 212
 213   wxChar buf[_MAXPATHLEN];
 214   wxStrcpy(buf, wxFileFunctionsBuffer);
 215
 216   wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
 217   filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
 218
 219   for (wxNode * node = First (); node; node = node->Next ())
 220     {
 221       wxChar *path = (wxChar *) node->Data ();
 222       wxStrcpy (wxFileFunctionsBuffer, path);
 223       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
 224       if (ch != wxT('\\') && ch != wxT('/'))
 225         wxStrcat (wxFileFunctionsBuffer, wxT("/"));
 226       wxStrcat (wxFileFunctionsBuffer, filename);
 227 #ifdef __WINDOWS__
 228       Unix2DosFilename (wxFileFunctionsBuffer);
 229 #endif
 230       if (wxFileExists (wxFileFunctionsBuffer))
 231       {
 232         return wxString(wxFileFunctionsBuffer);        // Found!
 233       }
 234     }                                // for()
 235
 236   return wxString(wxT(""));                    // Not found
 237 }
 238
 239 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
 240 {
 241     wxString f = FindValidPath(file);
 242     if ( wxIsAbsolutePath(f) )
 243         return f;
 244
 245     wxString buf;
 246     wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
 247     buf.UngetWriteBuf();
 248     if ( !wxEndsWithPathSeparator(buf) )
 249     {
 250         buf += wxFILE_SEP_PATH;
 251     }
 252     buf += f;
 253
 254     return buf;
 255 }
 256
 257 bool
 258 wxFileExists (const wxString& filename)
 259 {
 260 #ifdef __GNUWIN32__ // (fix a B20 bug)
 261   if (GetFileAttributes(filename) == 0xFFFFFFFF)
 262     return FALSE;
 263   else
 264     return TRUE;
 265 #elif defined(__WXMAC__)
 266           struct stat stbuf;
 267         wxStrcpy( gwxMacFileName , filename ) ;
 268         wxUnix2MacFilename( gwxMacFileName ) ;
 269           if (gwxMacFileName && stat (WXSTRINGCAST gwxMacFileName, &stbuf) == 0)
 270             return TRUE;
 271     return FALSE ;
 272 #else
 273
 274 #ifdef __SALFORDC__
 275   struct _stat stbuf;
 276 #else
 277   struct stat stbuf;
 278 #endif
 279
 280   if ((filename != wxT("")) && stat (wxFNSTRINGCAST filename.fn_str(), &stbuf) == 0)
 281     return TRUE;
 282   return FALSE;
 283 #endif
 284 }
 285
 286 /* Vadim's alternative implementation
 287
 288 // does the file exist?
 289 bool wxFileExists(const char *pszFileName)
 290 {
 291   struct stat st;
 292   return !access(pszFileName, 0) &&
 293          !stat(pszFileName, &st) &&
 294          (st.st_mode & S_IFREG);
 295 }
 296 */
 297
 298 bool
 299 wxIsAbsolutePath (const wxString& filename)
 300 {
 301   if (filename != wxT(""))
 302     {
 303       if (filename[0] == wxT('/')
 304 #ifdef __VMS__
 305       || (filename[0] == wxT('[') && filename[1] != wxT('.'))
 306 #endif
 307 #ifdef __WINDOWS__
 308       /* MSDOS */
 309       || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
 310 #endif
 311         )
 312         return TRUE;
 313     }
 314   return FALSE;
 315 }
 316
 317 /*
 318  * Strip off any extension (dot something) from end of file,
 319  * IF one exists. Inserts zero into buffer.
 320  *
 321  */
 322
 323 void wxStripExtension(wxChar *buffer)
 324 {
 325   int len = wxStrlen(buffer);
 326   int i = len-1;
 327   while (i > 0)
 328   {
 329     if (buffer[i] == wxT('.'))
 330     {
 331       buffer[i] = 0;
 332       break;
 333     }
 334     i --;
 335   }
 336 }
 337
 338 void wxStripExtension(wxString& buffer)
 339 {
 340   size_t len = buffer.Length();
 341   size_t i = len-1;
 342   while (i > 0)
 343   {
 344     if (buffer.GetChar(i) == wxT('.'))
 345     {
 346       buffer = buffer.Left(i);
 347       break;
 348     }
 349     i --;
 350   }
 351 }
 352
 353 // Destructive removal of /./ and /../ stuff
 354 wxChar *wxRealPath (wxChar *path)
 355 {
 356 #ifdef __WXMSW__
 357   static const wxChar SEP = wxT('\\');
 358   Unix2DosFilename(path);
 359 #else
 360   static const wxChar SEP = wxT('/');
 361 #endif
 362   if (path[0] && path[1]) {
 363     /* MATTHEW: special case "/./x" */
 364     wxChar *p;
 365     if (path[2] == SEP && path[1] == wxT('.'))
 366       p = &path[0];
 367     else
 368       p = &path[2];
 369     for (; *p; p++)
 370       {
 371         if (*p == SEP)
 372           {
 373             if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
 374               {
 375                 wxChar *q;
 376                 for (q = p - 1; q >= path && *q != SEP; q--);
 377                 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
 378                     && (q - 1 <= path || q[-1] != SEP))
 379                   {
 380                     wxStrcpy (q, p + 3);
 381                     if (path[0] == wxT('\0'))
 382                       {
 383                         path[0] = SEP;
 384                         path[1] = wxT('\0');
 385                       }
 386 #ifdef __WXMSW__
 387                     /* Check that path[2] is NULL! */
 388                     else if (path[1] == wxT(':') && !path[2])
 389                       {
 390                         path[2] = SEP;
 391                         path[3] = wxT('\0');
 392                       }
 393 #endif
 394                     p = q - 1;
 395                   }
 396               }
 397             else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
 398               wxStrcpy (p, p + 2);
 399           }
 400       }
 401   }
 402   return path;
 403 }
 404
 405 // Must be destroyed
 406 wxChar *wxCopyAbsolutePath(const wxString& filename)
 407 {
 408   if (filename == wxT(""))
 409     return (wxChar *) NULL;
 410
 411   if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
 412     wxChar  buf[_MAXPATHLEN];
 413     buf[0] = wxT('\0');
 414     wxGetWorkingDirectory(buf, WXSIZEOF(buf));
 415     wxChar ch = buf[wxStrlen(buf) - 1];
 416 #ifdef __WXMSW__
 417     if (ch != wxT('\\') && ch != wxT('/'))
 418         wxStrcat(buf, wxT("\\"));
 419 #else
 420     if (ch != wxT('/'))
 421         wxStrcat(buf, wxT("/"));
 422 #endif
 423     wxStrcat(buf, wxFileFunctionsBuffer);
 424     return copystring( wxRealPath(buf) );
 425   }
 426   return copystring( wxFileFunctionsBuffer );
 427 }
 428
 429 /*-
 430  Handles:
 431    ~/ => home dir
 432    ~user/ => user's home dir
 433    If the environment variable a = "foo" and b = "bar" then:
 434    Unix:
 435         $a        =>        foo
 436         $a$b        =>        foobar
 437         $a.c        =>        foo.c
 438         xxx$a        =>        xxxfoo
 439         ${a}!        =>        foo!
 440         $(b)!        =>        bar!
 441         \$a        =>        \$a
 442    MSDOS:
 443         $a        ==>        $a
 444         $(a)        ==>        foo
 445         $(a)$b        ==>        foo$b
 446         $(a)$(b)==>        foobar
 447         test.$$        ==>        test.$$
 448  */
 449
 450 /* input name in name, pathname output to buf. */
 451
 452 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 453 {
 454     register wxChar *d, *s, *nm;
 455     wxChar          lnm[_MAXPATHLEN];
 456     int                                q;
 457
 458     // Some compilers don't like this line.
 459 //    const wxChar    trimchars[] = wxT("\n \t");
 460
 461     wxChar      trimchars[4];
 462     trimchars[0] = wxT('\n');
 463     trimchars[1] = wxT(' ');
 464     trimchars[2] = wxT('\t');
 465     trimchars[3] = 0;
 466
 467 #ifdef __WXMSW__
 468      const wxChar     SEP = wxT('\\');
 469 #else
 470      const wxChar     SEP = wxT('/');
 471 #endif
 472     buf[0] = wxT('\0');
 473     if (name == NULL || *name == wxT('\0'))
 474         return buf;
 475     nm = copystring(name); // Make a scratch copy
 476     wxChar *nm_tmp = nm;
 477
 478     /* Skip leading whitespace and cr */
 479     while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
 480         nm++;
 481     /* And strip off trailing whitespace and cr */
 482     s = nm + (q = wxStrlen(nm)) - 1;
 483     while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
 484         *s = wxT('\0');
 485
 486     s = nm;
 487     d = lnm;
 488 #ifdef __WXMSW__
 489     q = FALSE;
 490 #else
 491     q = nm[0] == wxT('\\') && nm[1] == wxT('~');
 492 #endif
 493
 494     /* Expand inline environment variables */
 495 #ifdef __VISAGECPP__
 496     while (*d)
 497     {
 498       *d++ = *s;
 499       if(*s == wxT('\\'))
 500       {
 501         *(d - 1) = *++s;
 502         if (*d)
 503         {
 504           s++;
 505           continue;
 506         }
 507         else
 508            break;
 509       }
 510       else
 511 #else
 512     while ((*d++ = *s)) {
 513 #  ifndef __WXMSW__
 514         if (*s == wxT('\\')) {
 515             if ((*(d - 1) = *++s)) {
 516                 s++;
 517                 continue;
 518             } else
 519                 break;
 520         } else
 521 #  endif
 522 #endif
 523 #ifdef __WXMSW__
 524         if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
 525 #else
 526         if (*s++ == wxT('$'))
 527 #endif
 528         {
 529             register wxChar  *start = d;
 530             register int     braces = (*s == wxT('{') || *s == wxT('('));
 531             register wxChar  *value;
 532 #ifdef __VISAGECPP__
 533     // VA gives assignment in logical expr warning
 534             while (*d)
 535                *d++ = *s;
 536 #else
 537             while ((*d++ = *s))
 538 #endif
 539                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
 540                     break;
 541                 else
 542                     s++;
 543             *--d = 0;
 544             value = wxGetenv(braces ? start + 1 : start);
 545             if (value) {
 546 #ifdef __VISAGECPP__
 547     // VA gives assignment in logical expr warning
 548                 for ((d = start - 1); (*d); *d++ = *value++);
 549 #else
 550                 for ((d = start - 1); (*d++ = *value++););
 551 #endif
 552                 d--;
 553                 if (braces && *s)
 554                     s++;
 555             }
 556         }
 557     }
 558
 559     /* Expand ~ and ~user */
 560     nm = lnm;
 561     s = wxT("");
 562     if (nm[0] == wxT('~') && !q)
 563     {
 564         /* prefix ~ */
 565         if (nm[1] == SEP || nm[1] == 0)
 566         {        /* ~/filename */
 567             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 568             if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
 569                 if (*++nm)
 570                     nm++;
 571             }
 572         } else
 573         {                /* ~user/filename */
 574             register wxChar  *nnm;
 575             register wxChar  *home;
 576             for (s = nm; *s && *s != SEP; s++);
 577             int was_sep; /* MATTHEW: Was there a separator, or NULL? */
 578             was_sep = (*s == SEP);
 579             nnm = *s ? s + 1 : s;
 580             *s = 0;
 581             // FIXME: wxGetUserHome could return temporary storage in Unicode mode
 582             if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
 583                if (was_sep) /* replace only if it was there: */
 584                    *s = SEP;
 585                 s = wxT("");
 586             } else {
 587                 nm = nnm;
 588                 s = home;
 589             }
 590         }
 591     }
 592
 593     d = buf;
 594     if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
 595         /* Copy home dir */
 596         while (wxT('\0') != (*d++ = *s++))
 597           /* loop */;
 598         // Handle root home
 599         if (d - 1 > buf && *(d - 2) != SEP)
 600           *(d - 1) = SEP;
 601     }
 602     s = nm;
 603 #ifdef __VISAGECPP__
 604     // VA gives assignment in logical expr warning
 605     while (*d)
 606        *d++ = *s++;
 607 #else
 608     while ((*d++ = *s++));
 609 #endif
 610     delete[] nm_tmp; // clean up alloc
 611     /* Now clean up the buffer */
 612     return wxRealPath(buf);
 613 }
 614
 615
 616 /* Contract Paths to be build upon an environment variable
 617    component:
 618
 619    example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
 620
 621    The call wxExpandPath can convert these back!
 622  */
 623 wxChar *
 624 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
 625 {
 626   static wxChar dest[_MAXPATHLEN];
 627
 628   if (filename == wxT(""))
 629     return (wxChar *) NULL;
 630
 631   wxStrcpy (dest, WXSTRINGCAST filename);
 632 #ifdef __WXMSW__
 633   Unix2DosFilename(dest);
 634 #endif
 635
 636   // Handle environment
 637   const wxChar *val = (const wxChar *) NULL;
 638   wxChar *tcp = (wxChar *) NULL;
 639   if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
 640      (tcp = wxStrstr (dest, val)) != NULL)
 641     {
 642         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
 643         *tcp++ = wxT('$');
 644         *tcp++ = wxT('{');
 645         wxStrcpy (tcp, WXSTRINGCAST envname);
 646         wxStrcat (tcp, wxT("}"));
 647         wxStrcat (tcp, wxFileFunctionsBuffer);
 648     }
 649
 650   // Handle User's home (ignore root homes!)
 651   size_t len = 0;
 652   if ((val = wxGetUserHome (user)) != NULL &&
 653       (len = wxStrlen(val)) > 2 &&
 654       wxStrncmp(dest, val, len) == 0)
 655     {
 656       wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
 657       if (user != wxT(""))
 658              wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
 659 #ifdef __WXMSW__
 660 //      strcat(wxFileFunctionsBuffer, "\\");
 661 #else
 662 //      strcat(wxFileFunctionsBuffer, "/");
 663 #endif
 664       wxStrcat(wxFileFunctionsBuffer, dest + len);
 665       wxStrcpy (dest, wxFileFunctionsBuffer);
 666     }
 667
 668   return dest;
 669 }
 670
 671 // Return just the filename, not the path
 672 // (basename)
 673 wxChar *wxFileNameFromPath (wxChar *path)
 674 {
 675   if (path)
 676     {
 677       register wxChar *tcp;
 678
 679       tcp = path + wxStrlen (path);
 680       while (--tcp >= path)
 681         {
 682           if (*tcp == wxT('/') || *tcp == wxT('\\')
 683 #ifdef __VMS__
 684      || *tcp == wxT(':') || *tcp == wxT(']'))
 685 #else
 686      )
 687 #endif
 688             return tcp + 1;
 689         }                        /* while */
 690 #if defined(__WXMSW__) || defined(__WXPM__)
 691       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 692         return path + 2;
 693 #endif
 694     }
 695   return path;
 696 }
 697
 698 wxString wxFileNameFromPath (const wxString& path1)
 699 {
 700   if (path1 != wxT(""))
 701   {
 702
 703       wxChar *path = WXSTRINGCAST path1 ;
 704       register wxChar *tcp;
 705
 706       tcp = path + wxStrlen (path);
 707       while (--tcp >= path)
 708           {
 709             if (*tcp == wxT('/') || *tcp == wxT('\\')
 710 #ifdef __VMS__
 711         || *tcp == wxT(':') || *tcp == wxT(']'))
 712 #else
 713         )
 714 #endif
 715                 return wxString(tcp + 1);
 716             }                        /* while */
 717 #if defined(__WXMSW__) || defined(__WXPM__)
 718       if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
 719             return wxString(path + 2);
 720 #endif
 721     }
 722   // Yes, this should return the path, not an empty string, otherwise
 723   // we get "thing.txt" -> "".
 724   return path1;
 725 }
 726
 727 // Return just the directory, or NULL if no directory
 728 wxChar *
 729 wxPathOnly (wxChar *path)
 730 {
 731   if (path && *path)
 732     {
 733       static wxChar buf[_MAXPATHLEN];
 734
 735       // Local copy
 736       wxStrcpy (buf, path);
 737
 738       int l = wxStrlen(path);
 739       bool done = FALSE;
 740
 741       int i = l - 1;
 742
 743       // Search backward for a backward or forward slash
 744       while (!done && i > -1)
 745       {
 746         // ] is for VMS
 747         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 748         {
 749           done = TRUE;
 750 #ifdef __VMS__
 751           buf[i+1] = 0;
 752 #else
 753           buf[i] = 0;
 754 #endif
 755
 756           return buf;
 757         }
 758         else i --;
 759       }
 760
 761 #if defined(__WXMSW__) || defined(__WXPM__)
 762       // Try Drive specifier
 763       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 764         {
 765           // A:junk --> A:. (since A:.\junk Not A:\junk)
 766           buf[2] = wxT('.');
 767           buf[3] = wxT('\0');
 768           return buf;
 769         }
 770 #endif
 771     }
 772
 773   return (wxChar *) NULL;
 774 }
 775
 776 // Return just the directory, or NULL if no directory
 777 wxString wxPathOnly (const wxString& path)
 778 {
 779   if (path != wxT(""))
 780     {
 781       wxChar buf[_MAXPATHLEN];
 782
 783       // Local copy
 784       wxStrcpy (buf, WXSTRINGCAST path);
 785
 786       int l = path.Length();
 787       bool done = FALSE;
 788
 789       int i = l - 1;
 790
 791       // Search backward for a backward or forward slash
 792       while (!done && i > -1)
 793       {
 794         // ] is for VMS
 795         if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
 796         {
 797           done = TRUE;
 798 #ifdef __VMS__
 799           buf[i+1] = 0;
 800 #else
 801           buf[i] = 0;
 802 #endif
 803
 804           return wxString(buf);
 805         }
 806         else i --;
 807       }
 808
 809 #if defined(__WXMSW__) || defined(__WXPM__)
 810       // Try Drive specifier
 811       if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
 812         {
 813           // A:junk --> A:. (since A:.\junk Not A:\junk)
 814           buf[2] = wxT('.');
 815           buf[3] = wxT('\0');
 816           return wxString(buf);
 817         }
 818 #endif
 819     }
 820
 821   return wxString(wxT(""));
 822 }
 823
 824 // Utility for converting delimiters in DOS filenames to UNIX style
 825 // and back again - or we get nasty problems with delimiters.
 826 // Also, convert to lower case, since case is significant in UNIX.
 827
 828 #ifdef __WXMAC__
 829 void
 830 wxMac2UnixFilename (wxChar *s)
 831 {
 832         if (s)
 833         {
 834                 memmove( s+1 , s ,(strlen( s ) + 1)*sizeof(wxChar)) ;
 835                 if ( *s == wxT(':') )
 836                         *s = wxT('.') ;
 837                 else
 838                         *s = wxT('/') ;
 839
 840                 while (*s)
 841                 {
 842                         if (*s == wxT(':'))
 843                           *s = wxT('/');
 844                         else
 845                           *s = wxTolower(*s);        // Case INDEPENDENT
 846                         s++;
 847                 }
 848         }
 849 }
 850
 851 void
 852 wxUnix2MacFilename (wxChar *s)
 853 {
 854         if (s)
 855         {
 856                 if ( *s == wxT('.') )
 857                 {
 858                         // relative path , since it goes on with slash which is translated to a :
 859                         memmove( s , s+1 ,strlen( s )*sizeof(wxChar) ) ;
 860                 }
 861                 else if ( *s == wxT('/') )
 862                 {
 863                         // absolute path -> on mac just start with the drive name
 864                         memmove( s , s+1 ,strlen( s )*sizeof(wxChar) ) ;
 865                 }
 866                 else
 867                 {
 868                         wxASSERT_MSG( 1 , wxT("unknown path beginning") ) ;
 869                 }
 870                 while (*s)
 871                 {
 872                         if (*s == wxT('/') || *s == wxT('\\'))
 873                                   *s = wxT(':');
 874
 875                         s++ ;
 876                 }
 877         }
 878 }
 879 #endif
 880 void
 881 wxDos2UnixFilename (wxChar *s)
 882 {
 883   if (s)
 884     while (*s)
 885       {
 886         if (*s == wxT('\\'))
 887           *s = wxT('/');
 888 #if defined(__WXMSW__) || defined(__WXPM__)
 889         else
 890           *s = wxTolower(*s);        // Case INDEPENDENT
 891 #endif
 892         s++;
 893       }
 894 }
 895
 896 void
 897 #if defined(__WXMSW__) || defined(__WXPM__)
 898 wxUnix2DosFilename (wxChar *s)
 899 #else
 900 wxUnix2DosFilename (wxChar *WXUNUSED(s))
 901 #endif
 902 {
 903 // Yes, I really mean this to happen under DOS only! JACS
 904 #if defined(__WXMSW__) || defined(__WXPM__)
 905   if (s)
 906     while (*s)
 907       {
 908         if (*s == wxT('/'))
 909           *s = wxT('\\');
 910         s++;
 911       }
 912 #endif
 913 }
 914
 915 // Concatenate two files to form third
 916 bool
 917 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
 918 {
 919   wxChar *outfile = wxGetTempFileName("cat");
 920
 921   FILE *fp1 = (FILE *) NULL;
 922   FILE *fp2 = (FILE *) NULL;
 923   FILE *fp3 = (FILE *) NULL;
 924   // Open the inputs and outputs
 925 #ifdef __WXMAC__
 926         wxStrcpy( gwxMacFileName , file1 ) ;
 927         wxUnix2MacFilename( gwxMacFileName ) ;
 928         wxStrcpy( gwxMacFileName2 , file2) ;
 929         wxUnix2MacFilename( gwxMacFileName2 ) ;
 930         wxStrcpy( gwxMacFileName3 , outfile) ;
 931         wxUnix2MacFilename( gwxMacFileName3 ) ;
 932
 933   if ((fp1 = fopen (gwxMacFileName, "rb")) == NULL ||
 934       (fp2 = fopen (gwxMacFileName2, "rb")) == NULL ||
 935       (fp3 = fopen (gwxMacFileName3, "wb")) == NULL)
 936 #else
 937   if ((fp1 = fopen (wxFNSTRINGCAST file1.fn_str(), "rb")) == NULL ||
 938       (fp2 = fopen (wxFNSTRINGCAST file2.fn_str(), "rb")) == NULL ||
 939       (fp3 = fopen (wxFNCONV(outfile), "wb")) == NULL)
 940 #endif
 941     {
 942       if (fp1)
 943         fclose (fp1);
 944       if (fp2)
 945         fclose (fp2);
 946       if (fp3)
 947         fclose (fp3);
 948       return FALSE;
 949     }
 950
 951   int ch;
 952   while ((ch = getc (fp1)) != EOF)
 953     (void) putc (ch, fp3);
 954   fclose (fp1);
 955
 956   while ((ch = getc (fp2)) != EOF)
 957     (void) putc (ch, fp3);
 958   fclose (fp2);
 959
 960   fclose (fp3);
 961   bool result = wxRenameFile(outfile, file3);
 962   delete[] outfile;
 963   return result;
 964 }
 965
 966 // Copy files
 967 bool
 968 wxCopyFile (const wxString& file1, const wxString& file2)
 969 {
 970   FILE *fd1;
 971   FILE *fd2;
 972   int ch;
 973
 974 #ifdef __WXMAC__
 975         wxStrcpy( gwxMacFileName , file1 ) ;
 976         wxUnix2MacFilename( gwxMacFileName ) ;
 977         wxStrcpy( gwxMacFileName2 , file2) ;
 978         wxUnix2MacFilename( gwxMacFileName2 ) ;
 979
 980   if ((fd1 = fopen (gwxMacFileName, "rb")) == NULL)
 981     return FALSE;
 982   if ((fd2 = fopen (gwxMacFileName2, "wb")) == NULL)
 983 #else
 984   if ((fd1 = fopen (wxFNSTRINGCAST file1.fn_str(), "rb")) == NULL)
 985     return FALSE;
 986   if ((fd2 = fopen (wxFNSTRINGCAST file2.fn_str(), "wb")) == NULL)
 987 #endif
 988     {
 989       fclose (fd1);
 990       return FALSE;
 991     }
 992
 993   while ((ch = getc (fd1)) != EOF)
 994     (void) putc (ch, fd2);
 995
 996   fclose (fd1);
 997   fclose (fd2);
 998   return TRUE;
 999 }
1000
1001 bool
1002 wxRenameFile (const wxString& file1, const wxString& file2)
1003 {
1004 #ifdef __WXMAC__
1005         wxStrcpy( gwxMacFileName , file1 ) ;
1006         wxUnix2MacFilename( gwxMacFileName ) ;
1007         wxStrcpy( gwxMacFileName2 , file2) ;
1008         wxUnix2MacFilename( gwxMacFileName2 ) ;
1009
1010   if (0 == rename (gwxMacFileName, gwxMacFileName2))
1011     return TRUE;
1012 #else
1013   // Normal system call
1014   if (0 == rename (wxFNSTRINGCAST file1.fn_str(), wxFNSTRINGCAST file2.fn_str()))
1015     return TRUE;
1016 #endif
1017   // Try to copy
1018   if (wxCopyFile(file1, file2)) {
1019     wxRemoveFile(file1);
1020     return TRUE;
1021   }
1022   // Give up
1023   return FALSE;
1024 }
1025
1026 bool wxRemoveFile(const wxString& file)
1027 {
1028 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1029   int flag = remove(wxFNSTRINGCAST file.fn_str());
1030 #elif defined( __WXMAC__ )
1031         wxStrcpy( gwxMacFileName , file ) ;
1032         wxUnix2MacFilename( gwxMacFileName ) ;
1033   int flag = unlink(gwxMacFileName);
1034 #else
1035   int flag = unlink(wxFNSTRINGCAST file.fn_str());
1036 #endif
1037   return (flag == 0) ;
1038 }
1039
1040 bool wxMkdir(const wxString& dir, int perm)
1041 {
1042 #if defined( __WXMAC__ )
1043     wxStrcpy( gwxMacFileName , dir ) ;
1044     wxUnix2MacFilename( gwxMacFileName ) ;
1045     const wxChar *dirname = gwxMacFileName;
1046 #else // !Mac
1047     const wxChar *dirname = dir.c_str();
1048 #endif // Mac/!Mac
1049
1050     // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1051     // for the GNU compiler
1052 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1053     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1054 #else  // MSW and OS/2
1055     if ( mkdir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1056 #endif // !MSW/MSW
1057     {
1058         wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1059
1060         return FALSE;
1061     }
1062
1063     return TRUE;
1064 }
1065
1066 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1067 {
1068 #ifdef __VMS__
1069   return FALSE;
1070 #elif defined( __WXMAC__ )
1071         wxStrcpy( gwxMacFileName , dir ) ;
1072         wxUnix2MacFilename( gwxMacFileName ) ;
1073   return (rmdir(WXSTRINGCAST gwxMacFileName) == 0);
1074 #else
1075
1076 #ifdef __SALFORDC__
1077   return FALSE; // What to do?
1078 #else
1079   return (rmdir(wxFNSTRINGCAST dir.fn_str()) == 0);
1080 #endif
1081
1082 #endif
1083 }
1084
1085 #if 0
1086 bool wxDirExists(const wxString& dir)
1087 {
1088 #ifdef __VMS__
1089   return FALSE;
1090 #elif !defined(__WXMSW__)
1091   struct stat sbuf;
1092   return (stat(dir.fn_str(), &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1093 #else
1094
1095   /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1096 #if defined(__WIN32__)
1097   WIN32_FIND_DATA fileInfo;
1098 #else
1099 #ifdef __BORLANDC__
1100   struct ffblk fileInfo;
1101 #else
1102   struct find_t fileInfo;
1103 #endif
1104 #endif
1105
1106 #if defined(__WIN32__)
1107         HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1108
1109         if (h==INVALID_HANDLE_VALUE)
1110          return FALSE;
1111         else {
1112          FindClose(h);
1113          return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1114         }
1115 #else
1116   // In Borland findfirst has a different argument
1117   // ordering from _dos_findfirst. But _dos_findfirst
1118   // _should_ be ok in both MS and Borland... why not?
1119 #ifdef __BORLANDC__
1120   return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0  && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1121 #else
1122   return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1123 #endif
1124 #endif
1125
1126 #endif
1127 }
1128
1129 #endif
1130
1131 // does the path exists? (may have or not '/' or '\\' at the end)
1132 bool wxPathExists(const wxChar *pszPathName)
1133 {
1134   /* Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1135    * OTOH, we should change "d:" to "d:\" and leave "\" as is. */
1136   wxString strPath(pszPathName);
1137   if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != wxT('\0') )
1138     strPath.Last() = wxT('\0');
1139
1140 #ifdef __SALFORDC__
1141   struct _stat st;
1142 #else
1143   struct stat st;
1144 #endif
1145
1146   return stat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 && (st.st_mode & S_IFDIR);
1147 }
1148
1149 // Get a temporary filename, opening and closing the file.
1150 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1151 {
1152 #ifdef __WINDOWS__
1153
1154 #ifndef        __WIN32__
1155   wxChar tmp[144];
1156   ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1157 #else
1158   wxChar tmp[MAX_PATH];
1159   wxChar tmpPath[MAX_PATH];
1160   ::GetTempPath(MAX_PATH, tmpPath);
1161   ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1162 #endif
1163   if (buf) wxStrcpy(buf, tmp);
1164   else buf = copystring(tmp);
1165   return buf;
1166
1167 #else
1168   static short last_temp = 0;        // cache last to speed things a bit
1169   // At most 1000 temp files to a process! We use a ring count.
1170   wxChar tmp[100]; // FIXME static buffer
1171
1172   for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1173     {
1174       wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1175       if (!wxFileExists( tmp ))
1176         {
1177           // Touch the file to create it (reserve name)
1178           FILE *fd = fopen (wxFNCONV(tmp), "w");
1179           if (fd)
1180             fclose (fd);
1181           last_temp = suffix;
1182           if (buf)
1183             wxStrcpy( buf, tmp);
1184           else
1185             buf = copystring( tmp );
1186           return buf;
1187         }
1188     }
1189   wxLogError( _("wxWindows: error finding temporary file name.\n") );
1190   if (buf) buf[0] = 0;
1191   return (wxChar *) NULL;
1192 #endif
1193 }
1194
1195 // Get first file name matching given wild card.
1196
1197 #ifdef __UNIX__
1198
1199 // Get first file name matching given wild card.
1200 // Flags are reserved for future use.
1201
1202 #ifndef __VMS__
1203     static DIR *gs_dirStream = (DIR *) NULL;
1204     static wxString gs_strFileSpec;
1205     static int gs_findFlags = 0;
1206 #endif
1207
1208 wxString wxFindFirstFile(const wxChar *spec, int flags)
1209 {
1210     wxString result;
1211
1212 #ifndef __VMS__
1213     if (gs_dirStream)
1214         closedir(gs_dirStream); // edz 941103: better housekeping
1215
1216     gs_findFlags = flags;
1217
1218     gs_strFileSpec = spec;
1219
1220     // Find path only so we can concatenate
1221     // found file onto path
1222     wxString path(wxPathOnly(gs_strFileSpec));
1223
1224     // special case: path is really "/"
1225     if ( !path && gs_strFileSpec[0u] == wxT('/') )
1226         path = wxT('/');
1227     // path is empty => Local directory
1228     if ( !path )
1229         path = wxT('.');
1230
1231     gs_dirStream = opendir(path.fn_str());
1232     if ( !gs_dirStream )
1233     {
1234         wxLogSysError(_("Can not enumerate files in directory '%s'"),
1235                       path.c_str());
1236     }
1237     else
1238     {
1239         result = wxFindNextFile();
1240     }
1241 #endif // !VMS
1242
1243     return result;
1244 }
1245
1246 wxString wxFindNextFile()
1247 {
1248     wxString result;
1249
1250 #ifndef __VMS__
1251     wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1252
1253     // Find path only so we can concatenate
1254     // found file onto path
1255     wxString path(wxPathOnly(gs_strFileSpec));
1256     wxString name(wxFileNameFromPath(gs_strFileSpec));
1257
1258     /* MATTHEW: special case: path is really "/" */
1259     if ( !path && gs_strFileSpec[0u] == wxT('/'))
1260         path = wxT('/');
1261
1262     // Do the reading
1263     struct dirent *nextDir;
1264     for ( nextDir = readdir(gs_dirStream);
1265           nextDir != NULL;
1266           nextDir = readdir(gs_dirStream) )
1267     {
1268         if (wxMatchWild(name, nextDir->d_name))
1269         {
1270             result.Empty();
1271             if ( !path.IsEmpty() )
1272             {
1273                 result = path;
1274                 if ( path != wxT('/') )
1275                     result += wxT('/');
1276             }
1277
1278             result += nextDir->d_name;
1279
1280             // Only return "." and ".." when they match
1281             bool isdir;
1282             if ( (strcmp(nextDir->d_name, ".") == 0) ||
1283                  (strcmp(nextDir->d_name, "..") == 0))
1284             {
1285                 if ( (gs_findFlags & wxDIR) != 0 )
1286                     isdir = TRUE;
1287                 else
1288                     continue;
1289             }
1290             else
1291                 isdir = wxDirExists(result);
1292
1293             // and only return directories when flags & wxDIR
1294             if ( !gs_findFlags ||
1295                  ((gs_findFlags & wxDIR) && isdir) ||
1296                  ((gs_findFlags & wxFILE) && !isdir) )
1297             {
1298                 return result;
1299             }
1300         }
1301     }
1302
1303     result.Empty(); // not found
1304
1305     closedir(gs_dirStream);
1306     gs_dirStream = (DIR *) NULL;
1307 #endif // !VMS
1308
1309     return result;
1310 }
1311
1312 #elif defined(__WXMSW__)
1313
1314 #ifdef __WIN32__
1315     static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1316     static WIN32_FIND_DATA gs_findDataStruct;
1317 #else // Win16
1318     #ifdef __BORLANDC__
1319         static struct ffblk gs_findDataStruct;
1320     #else
1321         static struct _find_t gs_findDataStruct;
1322     #endif // Borland
1323 #endif // Win32/16
1324
1325 static wxString gs_strFileSpec;
1326 static int gs_findFlags = 0;
1327
1328 wxString wxFindFirstFile(const wxChar *spec, int flags)
1329 {
1330     wxString result;
1331
1332     gs_strFileSpec = spec;
1333     gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1334
1335     // Find path only so we can concatenate found file onto path
1336     wxString path(wxPathOnly(gs_strFileSpec));
1337     if ( !path.IsEmpty() )
1338         result << path << wxT('\\');
1339
1340 #ifdef __WIN32__
1341     if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1342         FindClose(gs_hFileStruct);
1343
1344     gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1345
1346     if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1347     {
1348         result.Empty();
1349
1350         return result;
1351     }
1352
1353     bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1354
1355     if (isdir && !(flags & wxDIR))
1356         return wxFindNextFile();
1357     else if (!isdir && flags && !(flags & wxFILE))
1358         return wxFindNextFile();
1359
1360     result += gs_findDataStruct.cFileName;
1361
1362     return result;
1363 #else
1364     int flag = _A_NORMAL;
1365     if (flags & wxDIR) /* MATTHEW: [5] Use & */
1366         flag = _A_SUBDIR;
1367
1368 #ifdef __BORLANDC__
1369     if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1370 #else
1371         if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1372 #endif
1373         {
1374             /* MATTHEW: [5] Check directory flag */
1375             char attrib;
1376
1377 #ifdef __BORLANDC__
1378             attrib = gs_findDataStruct.ff_attrib;
1379 #else
1380             attrib = gs_findDataStruct.attrib;
1381 #endif
1382
1383             if (attrib & _A_SUBDIR) {
1384                 if (!(gs_findFlags & wxDIR))
1385                     return wxFindNextFile();
1386             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1387                 return wxFindNextFile();
1388
1389             result +=
1390 #ifdef __BORLANDC__
1391                     gs_findDataStruct.ff_name
1392 #else
1393                     gs_findDataStruct.name
1394 #endif
1395                     ;
1396         }
1397 #endif // __WIN32__
1398
1399     return result;
1400 }
1401
1402 wxString wxFindNextFile()
1403 {
1404     wxString result;
1405
1406     // Find path only so we can concatenate found file onto path
1407     wxString path(wxPathOnly(gs_strFileSpec));
1408
1409 try_again:
1410
1411 #ifdef __WIN32__
1412     if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1413         return result;
1414
1415     bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1416     if (!success)
1417     {
1418         FindClose(gs_hFileStruct);
1419         gs_hFileStruct = INVALID_HANDLE_VALUE;
1420     }
1421     else
1422     {
1423         bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1424
1425         if (isdir && !(gs_findFlags & wxDIR))
1426             goto try_again;
1427         else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1428             goto try_again;
1429
1430         if ( !path.IsEmpty() )
1431             result << path << wxT('\\');
1432         result << gs_findDataStruct.cFileName;
1433     }
1434
1435     return result;
1436 #else // Win16
1437
1438 #ifdef __BORLANDC__
1439     if (findnext(&gs_findDataStruct) == 0)
1440 #else
1441         if (_dos_findnext(&gs_findDataStruct) == 0)
1442 #endif
1443         {
1444             /* MATTHEW: [5] Check directory flag */
1445             char attrib;
1446
1447 #ifdef __BORLANDC__
1448             attrib = gs_findDataStruct.ff_attrib;
1449 #else
1450             attrib = gs_findDataStruct.attrib;
1451 #endif
1452
1453             if (attrib & _A_SUBDIR) {
1454                 if (!(gs_findFlags & wxDIR))
1455                     goto try_again;
1456             } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1457                 goto try_again;
1458
1459
1460             result +=
1461 #ifdef __BORLANDC__
1462                       gs_findDataStruct.ff_name
1463 #else
1464                       gs_findDataStruct.name
1465 #endif
1466                       ;
1467         }
1468 #endif // Win32/16
1469
1470     return result;
1471 }
1472
1473 #endif // Unix/Windows
1474
1475 // Get current working directory.
1476 // If buf is NULL, allocates space using new, else
1477 // copies into buf.
1478 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1479 {
1480   if (!buf)
1481     buf = new wxChar[sz+1];
1482 #if wxUSE_UNICODE
1483   char *cbuf = new char[sz+1];
1484 #ifdef _MSC_VER
1485   if (_getcwd(cbuf, sz) == NULL) {
1486 #else
1487   if (getcwd(cbuf, sz) == NULL) {
1488 #endif
1489     delete [] cbuf;
1490 #else
1491 #ifdef _MSC_VER
1492   if (_getcwd(buf, sz) == NULL) {
1493 #else
1494   if (getcwd(buf, sz) == NULL) {
1495 #endif
1496 #endif
1497     buf[0] = wxT('.');
1498     buf[1] = wxT('\0');
1499   }
1500 #if wxUSE_UNICODE
1501   else {
1502     wxConvFile.MB2WC(buf, cbuf, sz);
1503     delete [] cbuf;
1504   }
1505 #endif
1506   return buf;
1507 }
1508
1509 wxString wxGetCwd()
1510 {
1511     static const size_t maxPathLen = 1024;
1512
1513     wxString str;
1514     wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1515     str.UngetWriteBuf();
1516
1517     return str;
1518 }
1519
1520 bool wxSetWorkingDirectory(const wxString& d)
1521 {
1522 #if defined( __UNIX__ ) || defined( __WXMAC__ ) || defined(__WXPM__)
1523   return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1524 #elif defined(__WINDOWS__)
1525
1526 #ifdef __WIN32__
1527   return (bool)(SetCurrentDirectory(d) != 0);
1528 #else
1529   // Must change drive, too.
1530   bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1531   if (isDriveSpec)
1532   {
1533     wxChar firstChar = d[0];
1534
1535     // To upper case
1536     if (firstChar > 90)
1537       firstChar = firstChar - 32;
1538
1539     // To a drive number
1540     unsigned int driveNo = firstChar - 64;
1541     if (driveNo > 0)
1542     {
1543        unsigned int noDrives;
1544        _dos_setdrive(driveNo, &noDrives);
1545     }
1546   }
1547   bool success = (chdir(WXSTRINGCAST d) == 0);
1548
1549   return success;
1550 #endif
1551
1552 #endif
1553 }
1554
1555 // Get the OS directory if appropriate (such as the Windows directory).
1556 // On non-Windows platform, probably just return the empty string.
1557 wxString wxGetOSDirectory()
1558 {
1559 #ifdef __WINDOWS__
1560     wxChar buf[256];
1561     GetWindowsDirectory(buf, 256);
1562     return wxString(buf);
1563 #else
1564     return wxEmptyString;
1565 #endif
1566 }
1567
1568 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1569 {
1570   size_t len = wxStrlen(pszFileName);
1571   if ( len == 0 )
1572     return FALSE;
1573   else
1574     return wxIsPathSeparator(pszFileName[len - 1]);
1575 }
1576
1577 // find a file in a list of directories, returns false if not found
1578 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1579 {
1580     // we assume that it's not empty
1581     wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1582             _("empty file name in wxFindFileInPath"));
1583
1584     // skip path separator in the beginning of the file name if present
1585     if ( wxIsPathSeparator(*pszFile) )
1586         pszFile++;
1587
1588     // copy the path (strtok will modify it)
1589     wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1590     wxStrcpy(szPath, pszPath);
1591
1592     wxString strFile;
1593     wxChar *pc, *save_ptr;
1594     for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1595           pc != NULL;
1596           pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1597     {
1598         // search for the file in this directory
1599         strFile = pc;
1600         if ( !wxEndsWithPathSeparator(pc) )
1601             strFile += wxFILE_SEP_PATH;
1602         strFile += pszFile;
1603
1604         if ( FileExists(strFile) ) {
1605             *pStr = strFile;
1606             break;
1607         }
1608     }
1609
1610     // suppress warning about unused variable save_ptr when wxStrtok() is a
1611     // macro which throws away its third argument
1612     save_ptr = pc;
1613
1614     delete [] szPath;
1615
1616     return pc != NULL;  // if true => we breaked from the loop
1617 }
1618
1619 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1620                              wxString *pstrPath,
1621                              wxString *pstrName,
1622                              wxString *pstrExt)
1623 {
1624     // it can be empty, but it shouldn't be NULL
1625     wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1626
1627     const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1628
1629 #ifdef __WXMSW__
1630     // under Windows we understand both separators
1631     const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1632     const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1633     const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1634 #else // assume Unix
1635     const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1636
1637     if ( pDot == pszFileName )
1638     {
1639         // under Unix files like .profile are treated in a special way
1640         pDot = NULL;
1641     }
1642 #endif // MSW/Unix
1643
1644     if ( pDot < pLastSeparator )
1645     {
1646         // the dot is part of the path, not the start of the extension
1647         pDot = NULL;
1648     }
1649
1650     if ( pstrPath )
1651     {
1652         if ( pLastSeparator )
1653             *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1654         else
1655             pstrPath->Empty();
1656     }
1657
1658     if ( pstrName )
1659     {
1660         const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1661         const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1662
1663         *pstrName = wxString(start, end - start);
1664     }
1665
1666     if ( pstrExt )
1667     {
1668         if ( pDot )
1669             *pstrExt = wxString(pDot + 1);
1670         else
1671             pstrExt->Empty();
1672     }
1673 }
1674
1675 //------------------------------------------------------------------------
1676 // wild character routines
1677 //------------------------------------------------------------------------
1678
1679 bool wxIsWild( const wxString& pattern )
1680 {
1681   wxString tmp = pattern;
1682   wxChar *pat = WXSTRINGCAST(tmp);
1683     while (*pat) {
1684         switch (*pat++) {
1685         case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1686             return TRUE;
1687         case wxT('\\'):
1688             if (!*pat++)
1689                 return FALSE;
1690         }
1691     }
1692     return FALSE;
1693 };
1694
1695 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1696
1697 #if defined(HAVE_FNMATCH_H)
1698 {
1699 // this probably won't work well for multibyte chars in Unicode mode?
1700    if(dot_special)
1701       return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1702    else
1703       return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1704 }
1705 #else
1706
1707 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1708
1709    /*
1710     * WARNING: this code is broken!
1711     */
1712 {
1713   wxString tmp1 = pat;
1714   wxChar *pattern = WXSTRINGCAST(tmp1);
1715   wxString tmp2 = text;
1716   wxChar *str = WXSTRINGCAST(tmp2);
1717     wxChar c;
1718     wxChar *cp;
1719     bool done = FALSE, ret_code, ok;
1720     // Below is for vi fans
1721     const wxChar OB = wxT('{'), CB = wxT('}');
1722
1723     // dot_special means '.' only matches '.'
1724     if (dot_special && *str == wxT('.') && *pattern != *str)
1725         return FALSE;
1726
1727     while ((*pattern != wxT('\0')) && (!done)
1728     && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1729         switch (*pattern) {
1730         case wxT('\\'):
1731             pattern++;
1732             if (*pattern != wxT('\0'))
1733                 pattern++;
1734             break;
1735         case wxT('*'):
1736             pattern++;
1737             ret_code = FALSE;
1738             while ((*str!=wxT('\0'))
1739             && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1740                 /*loop*/;
1741             if (ret_code) {
1742                 while (*str != wxT('\0'))
1743                     str++;
1744                 while (*pattern != wxT('\0'))
1745                     pattern++;
1746             }
1747             break;
1748         case wxT('['):
1749             pattern++;
1750           repeat:
1751             if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1752                 done = TRUE;
1753                 break;
1754             }
1755             if (*pattern == wxT('\\')) {
1756                 pattern++;
1757                 if (*pattern == wxT('\0')) {
1758                     done = TRUE;
1759                     break;
1760                 }
1761             }
1762             if (*(pattern + 1) == wxT('-')) {
1763                 c = *pattern;
1764                 pattern += 2;
1765                 if (*pattern == wxT(']')) {
1766                     done = TRUE;
1767                     break;
1768                 }
1769                 if (*pattern == wxT('\\')) {
1770                     pattern++;
1771                     if (*pattern == wxT('\0')) {
1772                         done = TRUE;
1773                         break;
1774                     }
1775                 }
1776                 if ((*str < c) || (*str > *pattern)) {
1777                     pattern++;
1778                     goto repeat;
1779                 }
1780             } else if (*pattern != *str) {
1781                 pattern++;
1782                 goto repeat;
1783             }
1784             pattern++;
1785             while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1786                 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1787                     pattern++;
1788                 pattern++;
1789             }
1790             if (*pattern != wxT('\0')) {
1791                 pattern++, str++;
1792             }
1793             break;
1794         case wxT('?'):
1795             pattern++;
1796             str++;
1797             break;
1798         case OB:
1799             pattern++;
1800             while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1801                 cp = str;
1802                 ok = TRUE;
1803                 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1804                 &&  (*pattern != wxT(',')) && (*pattern != CB)) {
1805                     if (*pattern == wxT('\\'))
1806                         pattern++;
1807                     ok = (*pattern++ == *cp++);
1808                 }
1809                 if (*pattern == wxT('\0')) {
1810                     ok = FALSE;
1811                     done = TRUE;
1812                     break;
1813                 } else if (ok) {
1814                     str = cp;
1815                     while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1816                         if (*++pattern == wxT('\\')) {
1817                             if (*++pattern == CB)
1818                                 pattern++;
1819                         }
1820                     }
1821                 } else {
1822                     while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1823                         if (*++pattern == wxT('\\')) {
1824                             if (*++pattern == CB || *pattern == wxT(','))
1825                                 pattern++;
1826                         }
1827                     }
1828                 }
1829                 if (*pattern != wxT('\0'))
1830                     pattern++;
1831             }
1832             break;
1833         default:
1834             if (*str == *pattern) {
1835                 str++, pattern++;
1836             } else {
1837                 done = TRUE;
1838             }
1839         }
1840     }
1841     while (*pattern == wxT('*'))
1842         pattern++;
1843     return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1844 };
1845
1846 #endif
1847
1848 #ifdef __VISUALC__
1849     #pragma warning(default:4706)   // assignment within conditional expression
1850 #endif // VC++